| SR NO | PARAMETER | SPECIFICATION |
|---|---|---|
| 1 | Appearance | Crystalline Dark Brown Powder, free from extraneous matter |
| 2 | Purity By HPLC area % | 98.00% Min. |
| 3 | 2-Aminoanthraquinone area% | 1.00% Max. |
| 4 | 1,2-Diaminoanthraquinone area% | 1.00% Max. |
| 5 | Sulphate ash content w/w | 1.00% Max. |
| 6 | LOD % w/w | 1.00% Max. |

